Legal claims defining the scope of protection, as filed with the USPTO.
2. The transaction device of claim 1, wherein the display screen is an edge-lit display screen.
3. The transaction device of claim 1, wherein the at least one photosensitive sensor is disposed on at least one edge of the display screen.
4. The transaction device of claim 1, wherein the at least one photosensitive sensor is positioned in front of the viewing surface of the display screen.
10. The method of claim 9, wherein the display screen is an edge-lit display screen.
11. The method of claim 9, wherein the luminance of the viewing surface of the display screen is a luminance of reflected light in the display screen.
12. The method of claim 9, wherein the luminance of the viewing surface of the display screen is a luminance of light emitted from the display screen.
13. The method of claim 9, wherein the change to the luminance satisfies a threshold value.
18. The non-transitory computer-readable medium of claim 17, wherein the display screen is an edge-lit display screen.
19. The non-transitory computer-readable medium of claim 17, wherein the change to the luminance of the viewing surface is relative to a baseline luminance for the viewing surface.
Unknown
November 1, 2022
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.